# Carga de Bibliotecas
library(sf)
library(raster)
library(dplyr)
library(spData)
library(leaflet)
library(plotly)
library(DT)
library(tidyr)
# Carga de datos
orqui <-
  st_read(
    "https://raw.githubusercontent.com/gf0604-procesamientodatosgeograficos/2021i-datos/main/gbif/orchidaceae-cr-registros.csv",
    options = c(
      "X_POSSIBLE_NAMES=decimalLongitude",
      "Y_POSSIBLE_NAMES=decimalLatitude"
    ),
    quiet = TRUE
  )

asp <-
  st_read(
    "https://raw.githubusercontent.com/gf0604-procesamientodatosgeograficos/2021i-datos/main/sinac/asp/asp-wgs84.geojson",
    quiet = TRUE
  )
# Asignacion de CRS
st_crs(asp) = 4326
st_crs(orqui) = 4326
orqui$species[orqui$species == ""] <- "orquideas"

orqui <- orqui %>%
  filter(!is.na(coordinateUncertaintyInMeters) & coordinateUncertaintyInMeters <= 1000)%>%
  filter(species!="orquideas")

asp <- asp %>%
  filter(descripcio!="Area Marina de Manejo" & descripcio!="Area marina protegida")

asp_registros <-
  asp %>%
  st_join(orqui) %>%
  group_by(nombre_asp) %>%
  summarize(especies = n_distinct(species,na.rm = TRUE)) 
# Paleta de colores
colores_registros <-
  colorNumeric(palette = "Purples",
               domain = asp_registros$especies,
               na.color = "transparent")

# Paleta de colores
colores_especies <-
  colorNumeric(palette = "Oranges",
               domain = asp_registros$especies,
               na.color = "transparent")
# Mapa Leaflet

leaflet() %>%
  addTiles(group = "OSM") %>%
  addPolygons(
    data = asp_registros,
    fillColor = ~ colores_especies(asp_registros$especies),
    fillOpacity = 0.7,
    stroke = TRUE,
    color = "black",
    weight = 1,
    popup = paste(
      paste(
        "<strong>Provincia:</strong>",
        asp_registros$nombre_asp
      ),
      paste(
        "<strong>Cantidad de especies:</strong>",
        asp_registros$especies
        
      ),
      sep = '<br/>'
    ),
    group = "Provincias - especies"
  ) %>%
  addLayersControl(baseGroups = c("OSM"),
                   overlayGroups = c("Provincias - especies")) %>%
  addLegend(
    position = "bottomleft",
    pal = colores_especies,
    values = asp_registros$especies,
    group = "Provincias - especies",
    title = "Cant orquideas")